PALO ALTO, U.S. -- Elena, a Chinese graduate student in Italy, was headed home. But after two sleepless nights, she landed about 8,000 km away from Beijing on Monday -- in Ethiopia.
Beijing uses big data to intercept imported cases from US and Europe

Passengers wait to check in for an Air China flight from New York, where coronavirus cases have been rising, on March 13. © Reuters
PALO ALTO, U.S. -- Elena, a Chinese graduate student in Italy, was headed home. But after two sleepless nights, she landed about 8,000 km away from Beijing on Monday -- in Ethiopia.